diff options
| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2017-06-21 14:38:52 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2017-06-21 14:38:52 +0000 |
| commit | cde3f930bce271d70eb78d8aeef20aabbbb9ba0e (patch) | |
| tree | c2b20fd481462cf680ae1be84a2c06fdc268353c | |
| parent | 3f6a9d3760a33b40fe308dc32c4b06c909aa05d8 (diff) | |
Notes
| -rw-r--r-- | sys/compat/linuxkpi/common/src/linux_compat.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/compat/linuxkpi/common/src/linux_compat.c b/sys/compat/linuxkpi/common/src/linux_compat.c index 8df5de6329b6..d476a91b8945 100644 --- a/sys/compat/linuxkpi/common/src/linux_compat.c +++ b/sys/compat/linuxkpi/common/src/linux_compat.c @@ -497,7 +497,7 @@ linux_cdev_pager_populate(vm_object_t vm_obj, vm_pindex_t pidx, int fault_type, VM_OBJECT_WUNLOCK(vm_obj); down_write(&vmap->vm_mm->mmap_sem); - if (unlikely(vmap->vm_ops == NULL)) { + if (unlikely(vmap->vm_ops == NULL || vmap->vm_ops->fault == NULL)) { err = VM_FAULT_SIGBUS; } else { vmap->vm_pfn_count = 0; @@ -1173,8 +1173,7 @@ linux_dev_mmap_single(struct cdev *dev, vm_ooffset_t *offset, if (vmap->vm_ops != NULL) { void *vm_private_data; - if (vmap->vm_ops->fault == NULL || - vmap->vm_ops->open == NULL || + if (vmap->vm_ops->open == NULL || vmap->vm_ops->close == NULL || vmap->vm_private_data == NULL) { linux_cdev_handle_free(vmap); |